from flask import Flask

app = Flask(__name__)


@app.route('/')
def hello_world():
    return 'Hello World!'

@app.route('/plus')
def get_plus():
    return str(plus2())

def plus2():
    total = 0
    for i in range(1, 201):
        total = total + i
    return total

if __name__ == '__main__':
    app.run()
